摘要:
<head> <meta charset="UTF-8"> <title>星期的判断</title></head> <body> <script> var dayOfWeek = 4; //if 语句的条件表达式只能为布尔型(可能存在数据类型自动转换) //switch语句的表达式为任意数据类型(布 阅读全文
摘要:
<!DOCTYPE html><html lang="en"> <head> <meta charset="UTF-8"> <title>for与while循环</title></head> <body> <script> //for 循环 for (var a = 1; a <= 5; a++) 阅读全文